package com.itheima.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.itheima.reggie.common.R;
import com.itheima.reggie.entity.User;
import com.itheima.reggie.service.UserService;
import com.itheima.reggie.utils.ValidateCodeUtils;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;
import java.util.Map;
import java.util.concurrent.TimeUnit;

@RestController
@RequestMapping("/user")
@Slf4j
public class UserController {
    @Autowired
    private RedisTemplate redisTemplate;
    @Autowired
    private UserService userService;

    //发送短信
    @PostMapping("/sendMsg")
    public R<String> sendMsg(@RequestBody User user, HttpSession session)
    {
        String phone = user.getPhone();

        if(StringUtils.isNotEmpty(phone))
        {
            String code = ValidateCodeUtils.generateValidateCode(4).toString();
            log.info("code={}",code);
//            SMSUtils.sendMessage("阿里云短信测试","SMS_154950909",phone,code);
           // session.setAttribute(phone,code);
            //需要将生成的验证码保存到Redis,设置过期时间
            redisTemplate.opsForValue().set(phone, code, 5, TimeUnit.MINUTES);
            return R.success("短信发送成功");
        }

        return R.error("短信发送失败");
    }

    //手机验证码登录
   /* @PostMapping("/login")
    public R<User>login(@RequestBody Map map,HttpSession session)
    {
        String phone = map.get("phone").toString();
        String code = map.get("code").toString();

        //Object codeInSession = session.getAttribute(phone);
        //从Redis中获取缓存的验证码
        Object codeInSession = redisTemplate.opsForValue().get(phone);

        if(codeInSession!=null&&codeInSession.equals(code))
        {
            LambdaQueryWrapper<User>lqw=new LambdaQueryWrapper<>();
            lqw.eq(User::getPhone,phone);
            User one = userService.getOne(lqw);

            if(one==null)
            {
                User user=new User();
                user.setStatus(1);
                user.setPhone(phone);
                userService.save(user);
            }
            session.setAttribute("user",one.getId());
            //从Redis中删除缓存的验证码
            redisTemplate.delete(phone);
            return R.success(one);
        }
        return R.error("登录失败");
    }*/

    @PostMapping("/login")
    public R<User> login(@RequestBody Map map, HttpSession session){
        log.info(map.toString());
        //获取手机号
        String phone = map.get("phone").toString();
        //获取验证码
        String code = map.get("code").toString();
        //从Session中获取保存的验证码
//        Object codeInSession = session.getAttribute(phone);
//从redis中获取验证码
        Object codeInSession =redisTemplate.opsForValue().get(phone);
        //进行验证码的比对（页面提交的验证码和Session中保存的验证码比对）
        if(codeInSession != null && codeInSession.equals(code)){
            //如果能够比对成功，说明登录成功

            LambdaQueryWrapper<User> queryWrapper = new LambdaQueryWrapper<>();
            queryWrapper.eq(User::getPhone,phone);

            User user = userService.getOne(queryWrapper);
            if(user == null){
                //判断当前手机号对应的用户是否为新用户，如果是新用户就自动完成注册
                user = new User();
                user.setPhone(phone);
                user.setStatus(1);
                userService.save(user);
            }
            session.setAttribute("user",user.getId());
            redisTemplate.delete(phone);
            return R.success(user);
        }
        return R.error("登录失败");
    }

    /**
     * 退出功能
     * ①在controller中创建对应的处理方法来接受前端的请求，请求方式为post；
     * ②清理session中的用户id
     * ③返回结果（前端页面会进行跳转到登录页面）
     * @return
     */
    @PostMapping("/loginout")
    public R<String> logout(HttpServletRequest request){
        //清理session中的用户id
        request.getSession().removeAttribute("user");
        return R.success("退出成功");
    }

}
